It has organs belonging to the muscular system, the skeletal system, the cardiovascular system, the integumentary system and the nervous system in it. Muscles, bones, blood vessels, nerves and skin.
Skeletal muscle is associated with the upper arm.
It depends. But, the triceps are 2/3 of your upper arm.
Yes, it's the upper arm bone.
There is not a single muscle that rotates the upper arm. The name of the muscle that contributes in rotation of the upper arm is deltoid muscle.
yes
The muscle/muscles that bend your arms are called Flexor and Extensor.
Yes they are. The Bicep muscle is attached to the humerus bone (upper arm) at the front. It's the muscle that contracts when you want to bend your arm at the elbow. The tricep muscle is attached to the same bone - but runs down the back. It straightens your arm when it contracts.
skeletal muscle
Skeletal muscle cells
The posterior deltoid is one extensor of the upper arm.
Skeletal system
The brachialis is a muscle in the upper arm that flexes the elbow joint.